The use of ultrasonic noise — silent to the human ear — in mobile payments and rewards hasn't garnered as much attention as Near Field Communication chips and QR codes, but there are a few successful ...

Researchers at the University of Bristol have been able to levitate objects using ultrasonic waves larger than the wavelengths of sound used by the device. This could enable touchless control of drug ...

MIT researchers have found a way to use the mechanical vibrations of sound waves to shake water molecules free from a storage ...

Attack uses ultrasonic sound waves to disrupt HHD read/write operations, which could lead to a system crash. Using sonic and ultrasonic soundwaves as a weapon, researchers can disrupt the read, write ...

Now this is cool: Google’s Chromecast team has found an interesting way to pair Chromecast streaming sticks with mobile devices that are not on the same Wi-Fi network. Pairing is done through ...

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New technologies for mobile devices may use ultrasonic sound waves, and these devices have varying effects on different subsets of the population. Regulation of these technologies is in many ways 'the ...

RAILWAY AGE MARCH 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more ...

A unique ultrasonic bracelet has been created which is capable of jamming microphones in smart speakers when in close proximity. The wearable microphone jammer has been designed to exploit a synergy ...